setvbuffer       6450 ext/nkf/nkf-utf8/nkf.c 	setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE);
setvbuffer       6459 ext/nkf/nkf-utf8/nkf.c 	setvbuffer(stdin, (char *) stdibuf, IOBUF_SIZE);
setvbuffer       6548 ext/nkf/nkf-utf8/nkf.c 		setvbuffer(fin, (char *) stdibuf, IOBUF_SIZE);